- Like most database systems, force.com uses…a complex query optimizer to help it map out…the best route to the data you request.…But also like other systems, the query optimizer…works best when used in very specific ways.…The team that works on the query optimizer…has published a search optimization cheat sheet…which you can access here.…This cheat sheet features things you can do…to tap into the power of the query optimizer…and I strongly suggest that you sake some time…to check it out.…

But in this video I'm going to go over some of the…best ways that you can take advantage…of the query optimizer right away.…And to show you that I'm going to switch back…into my developer org, and I'm going to specifically…access the developer console.…And I want to show you a great new feature…that was added to developer console in summer 2014.…The Query Plan Tool allows you to see firsthand…how the query optimizer would handle your query.…Now this tool is not enabled by default,…so in order to use it you will need to go up here…

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8/20/2015

With Visualforce you can build complex views into Salesforce data. But no matter how sophisticated, if your UIs are slow, your users will let you know. Learn how to make your Visualforce apps run faster with these tips for improving the performance of the underlying code. Sara Morgan shows how to reduce or even completely eliminate the use of view states, streamline SOQL queries, use more responsive alternatives to action tags, and implement pagination for viewing multiple records. Plus, learn best practices for working with HTML, CSS, JavaScript, and images.